Simple device for calibrating illuminometer
By designing a simple device for calibrating the illuminometer, using bearings and calibration fixtures to fix the illuminometer tester, and using a standard light source to provide the light source, the problems of inaccurate calibration results and environmental pollution in traditional methods are solved, and high-precision light source calibration and stable fixation are achieved.
Patent Information
- Application Number
- CN202423113424.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Traditional methods for calibrating illuminance meters suffer from problems such as inaccurate calibration results due to hand tremors, poor light shielding, and easy contamination of the testing environment.
A simple device for calibrating an illuminance meter is designed, including a calibration box, an operating rod, a bearing, a calibration jig, and an illuminance meter tester. The illuminance meter tester is fixed by the bearing and the calibration jig. A standard light source is used to provide light to prevent external light from entering. The illuminance meter tester is fixed by a lock and a fixing hoop to ensure that it does not loosen during the calibration process.
It improves the accuracy of calibration results, prevents external light pollution, ensures the cleanliness of the test environment, and achieves stable fixation of the equipment and accurate calibration of the light source.
Smart Images

Figure CN223485304U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of illuminance meter calibration technology, and in particular to a simple device for calibrating an illuminance meter. Background Art
[0002] After the mobile phone camera module is assembled, various tests are conducted, including different lighting conditions and temperature environments. In the increasingly competitive 3C industry, it is necessary to compare not only the quality of production processes but also the quality of production efficiency. Therefore, using automation to improve production efficiency has become a common production mode. Faced with hundreds or thousands of automated production equipment, it is essential to minimize the performance error between equipment to ensure that the manufactured product modules meet customer requirements. To minimize the error between equipment, we use various testing instruments to test the equipment, such as altimeters, vibration testers, and illuminance meters. Moreover, these various testing instruments need to be precisely calibrated after a certain period of use to further ensure their accuracy.
[0003] In traditional techniques, calibrating lux meter testers involves using a simple plastic box covered with a light-blocking cloth. A small hole is pre-drilled on the front of the box, through which the operator inserts their hand to grasp the lux meter for calibration. This calibration method has the following drawbacks:
[0004] Shaky hands can lead to inaccurate calibration results;
[0005] The light-blocking effect cannot guarantee 100% light-free operation, which can easily affect the calibration results;
[0006] The testing environment is easily contaminated. Therefore, we propose a simple device for calibrating illuminometers to solve the aforementioned technical problems. Utility Model Content
[0007] In view of this, the present invention addresses the deficiencies and its main purpose is to provide a simple device for calibrating an illuminometer, which solves the aforementioned problems.
[0008] To achieve the above objectives, this utility model adopts the following technical solution: including:
[0009] A calibration box, the calibration box including an operating lever, bearing B and bearing A respectively sleeved on the operating lever, and bearing fixing plate sleeved on bearing A;
[0010] A calibration fixture, comprising a fixture connecting plate disposed inside the calibration box, a standard light source disposed on the top of the fixture connecting plate, a tester connecting block disposed on the top of the standard light source, a locking hook fixedly mounted on the tester connecting block, a locking connecting plate fixedly mounted on the outside of the standard light source, a locking buckle fixedly disposed on the locking connecting plate, and the locking buckle engaging with the locking hook;
[0011] An illuminance meter tester is provided, wherein the illuminance meter tester is mounted on the tester connecting block, a tester fixing hoop is fitted on the tester connecting block and located outside the illuminance meter tester, and a tester support plate is fixedly mounted on the tester connecting block and located below the illuminance meter tester.
[0012] As a preferred embodiment, the calibration box includes a left side plate, a right side plate, a front plate, and a rear plate connected end to end. An upper plate is provided on the top of the left side plate, the right side plate, the front plate, and the rear plate. A bottom plate is provided at the bottom of the left side plate, the right side plate, the front plate, and the rear plate. A foot pad is fixedly provided at the bottom of the bottom plate. A handle is fixedly provided on the top of the upper plate.
[0013] As a preferred embodiment, a light-blocking plate is provided on the outer side of the front panel, and the operating lever passes through the light-blocking plate.
[0014] As a preferred embodiment, the bearing B is fixedly mounted on the front plate, and the bearing fixing plate is fixedly mounted on the upper plate.
[0015] As a preferred embodiment, a hinge is provided at the connection between the rear plate and the upper plate.
[0016] As a preferred embodiment, a hook is fixedly provided on the top of the inner side of the upper plate, and a spring is provided on the hook.
[0017] As a preferred embodiment, a limiting block is fixedly installed on the top of the inner side of the upper plate, near the hook.
[0018] As a preferred embodiment, the bearing B is connected to the front plate, and the bearing fixing plate is connected to the upper plate.
[0019] As a preferred embodiment, the base plate, the left side plate, the right side plate, the front plate, the rear plate, the upper plate, the bearing fixing plate, the limiting block, and the locking connecting plate are all made of aluminum.
[0020] As a preferred embodiment, the base plate, the left side plate, the right side plate, the front plate, the rear plate, the top plate, the operating lever, the tester support plate, and the tester fixing hoop are all made of stainless steel.
[0021] The tester's connecting block is made of black POM.
[0022] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution, its main features are:
[0023] This device uses a calibration box to stabilize the entire equipment frame and prevent external light from entering the testing area. An operating lever connects bearings A and B, and with the assistance of bearings A and B, the device rotates during testing. A bearing fixing plate secures bearing A. A calibration fixture secures the calibration instrument. A fixture connecting plate connects the calibration box and the calibration fixture. A standard industrial light source, fixed to the fixture connecting plate, provides illumination during testing. The instrument connection block is made of black POM. It provides a fixed position for the illuminance meter tester, serving as a transition between the illuminance meter tester and the standard light source during the calibration process. A locking hook is used in conjunction with a locking mechanism, and a locking connecting plate connects the fixture connecting plate and the locking mechanism. The illuminance meter tester is used for light source calibration, collecting and transmitting light source data, which is then fed back to the software for data updates. A tester fixing clamp is used to secure the illuminance meter tester, preventing it from loosening or moving during calibration. It also supports the illuminance meter tester, ensuring its balance.
[0024] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0026] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present utility model;
[0027] Figure 3 This is a schematic diagram of the fixing hoop structure of the tester according to an embodiment of this utility model;
[0028] Figure 4 This is a schematic diagram of the tester tray structure according to an embodiment of the present utility model;
[0029] Figure 5 This is a schematic diagram of the tester connection block structure according to an embodiment of the present invention.
[0030] Explanation of reference numerals in the attached drawings: 100, Calibration box; 101, Base plate; 102, Left side plate; 103, Right side plate; 104, Front plate; 105, Rear plate; 106, Top plate; 107, Hinge; 108, Light shield; 109, Bearing fixing plate; 110, Bearing A; 111, Hook; 112, Spring; 113, Bearing B; 114, Operating lever; 115, Handle; 116, Foot pad; 117, Limiting block; 200, Calibration fixture; 201, Fixture connecting plate; 202, Locking connecting plate; 203, Standard light source; 204, Lock; 205, Locking hook; 206, Tester support plate; 207, Tester connecting block; 208, Tester fixing clamp; 300, Illuminance meter tester. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.
[0032] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0033] Please see Figures 1 to 5 This utility model provides a simple device for calibrating an illuminometer, comprising:
[0034] The calibration box 100 includes an operating lever 114, on which bearings B113 and A110 are respectively mounted, and bearing fixing plate 109 is mounted on bearing A110.
[0035] The calibration fixture 200 includes a fixture connecting plate 201 disposed inside the calibration box 100. A standard light source 203 is disposed on the top of the fixture connecting plate 201. A tester connecting block 207 is disposed on the top of the standard light source 203. A locking hook 205 is fixedly installed on the tester connecting block 207. A locking connecting plate 202 is fixedly installed on the outside of the standard light source 203. A locking buckle 204 is fixedly disposed on the locking connecting plate 202. The locking buckle 204 is engaged with the locking hook 205.
[0036] An illuminance meter tester 300 is mounted on a tester connecting block 207. A tester fixing hoop 208 is fitted on the tester connecting block 207 and located on the outside of the illuminance meter tester 300. A tester support plate 206 is fixedly mounted on the tester connecting block 207 and located on the lower side of the illuminance meter tester 300.
[0037] In use, the calibration box 100 is responsible for stabilizing the entire equipment frame and preventing external light from entering the testing range. The operating lever 114 connects bearings A110 and B113, and with the assistance of bearings A110 and B113, the bearing rotates during testing. The bearing fixing plate 109 secures bearing A110. The calibration fixture 200 secures the illuminance meter 300. The fixture connecting plate 201 connects the calibration box 100 and the calibration fixture 200. The standard light source 203, serving as a standard industrial light source, is fixed to the fixture connecting plate 201 to provide light during testing. The tester connecting block 207, made of black POM, provides light for the illuminance meter test. The fixed position of the instrument 300 serves as a transition between the illuminance meter tester 300 and the standard light source 203 during the calibration process. It is used in conjunction with the locking hook 204 via the locking hook hook 205, and the locking connecting plate 202 connects the fixture connecting plate 201 and the locking hook 204. The illuminance meter tester 300 is used for light source calibration, collecting and transmitting light source data, and feeding it back to the software for data updates. The software is a mature existing technology and will not be elaborated upon in this paper. The tester fixing clamp 208 is used to fix the illuminance meter tester 300, preventing it from loosening or moving during calibration, and also supports the illuminance meter tester 300 to ensure its balance.
[0038] Please see Figure 1 and Figure 2The calibration box 100 includes a left side plate 102, a right side plate 103, a front plate 104, and a rear plate 105 connected end to end. An upper plate 106 is provided on the top of the left side plate 102, the right side plate 103, the front plate 104, and the rear plate 105. A bottom plate 101 is provided at the bottom of the left side plate 102, the right side plate 103, the front plate 104, and the rear plate 105. A foot pad 116 is fixedly provided at the bottom of the bottom plate 101. A handle 115 is fixedly provided on the top of the upper plate 106. When this device is in use, the left side plate 102, right side plate 103, front plate 104 and rear plate 105 are connected end to end. The top of the left side plate 102, right side plate 103, front plate 104 and rear plate 105 is provided with an upper plate 106, and the bottom of the left side plate 102, right side plate 103, front plate 104 and rear plate 105 is provided with a bottom plate 101 to provide loading and fixing space for the illuminance meter 300, and to enable the illuminance meter 300 to be used in a closed space to prevent external light source pollution. The foot pads 116 are used for stable placement of this device, and the handle 115 is used to facilitate opening of this device.
[0039] Please see Figure 1 and Figure 2 A light-blocking plate 108 is provided on the outer side of the front panel 104, and the operating lever 114 passes through the light-blocking plate 108. When this device is in use, the light-blocking plate 108 is used to prevent external light from entering the inside of the calibration box 100 and to prevent contamination of the testing environment.
[0040] Please see Figure 3 Bearing B113 is fixedly mounted on the front plate 104, and bearing fixing plate 109 is fixedly mounted on the upper plate 106.
[0041] Please see Figure 1 A hinge 107 is provided at the connection between the rear plate 105 and the upper plate 106. When this device is in use, the hinge 107 is used to connect the rear plate 105 and the upper plate 106, and assists the upper plate 106 in completing the opening and closing functions of this device.
[0042] Please see Figure 3 A hook 111 is fixedly installed on the top of the inner side of the upper plate 106, and a spring 112 is installed on the hook 111. When this device is in use, the hook 111 connects the upper plate 106 and the spring 112, and the spring 112 provides rotational springing power to the operating lever 114.
[0043] Please see Figure 2 A limiting block 117 is fixedly installed on the top of the inner side of the upper plate 106, near the hook 111.
[0044] Please see Figure 1 and Figure 2 Bearing B113 is connected to the front plate 104, and bearing fixing plate 109 is connected to the upper plate 106.
[0045] Please see Figures 1 to 5 The base plate 101, left side plate 102, right side plate 103, front plate 104, rear plate 105, top plate 106, bearing fixing plate 109, limiting block 117, and locking connecting plate 202 are all made of aluminum. When this device is in use, aluminum reacts rapidly with oxygen in the air to form a dense aluminum oxide film. This film effectively prevents further oxidation of the aluminum, thus giving the device excellent corrosion resistance.
[0046] Please see Figures 1 to 5 The base plate 101, left side plate 102, right side plate 103, front plate 104, rear plate 105, top plate 106, operating lever 114, tester support plate 206 and tester fixing clamp 208 are all made of stainless steel.
[0047] The tester connector 207 is made of black POM.
[0048] Install the standard light source 203 on the fixture connecting plate 201, then install the locking connecting plate 202 on the fixture connecting plate 201, then fix the locking 204 on the locking connecting plate 202, and finally install and fix the fixture connecting plate 201 on the base plate 101.
[0049] Fix the locking hook 205 and the tester tray 206 onto the tester connecting block 207. Then place the illuminance meter tester 300 on the tester connecting block 207. Adjust the tester tray 206 to keep the illuminance meter tester 300 flat and horizontal. Then install the tester fixing clamp 208 on the tester connecting block 207. After installation, the tester fixing clamp 208 will tightly fix the illuminance meter tester 300 onto the tester connecting block 207.
[0050] In the assembled calibration box 100, the latch 204 is fastened to the latch hook 205, and the handle 115 is used to rotate and move the upper plate 106 along the rotation direction of the hinge 107, and finally it is attached to the front plate 104, the left side plate 102, the rear plate 105 and the right side plate 103.
[0051] The requirement before calibration is that the distance between the reading head of the illuminance meter 300 and the standard light source 203 is 15-16mm;
[0052] After the operating lever 114 contacts the button of the illuminance meter tester 300, release the hand. The operating lever 114 will automatically return to the initial position under the action of the spring 112. After the calibration is completed, the upper plate 106 can be opened, the latch 204 and the latch hook 205 can be released, and the fixture can be taken out to perform the next calibration of the illuminance meter tester 300.
[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A simple device for calibrating an illuminometer, characterized in that, include: A calibration box (100) includes an operating lever (114), on which bearings B (113) and A (110) are respectively sleeved, and bearing fixing plate (109) is sleeved on bearing A (110). A calibration fixture (200) includes a fixture connecting plate (201) disposed inside the calibration box (100). A standard light source (203) is disposed on the top of the fixture connecting plate (201). A tester connecting block (207) is disposed on the top of the standard light source (203). A locking hook (205) is fixedly installed on the tester connecting block (207). A locking connecting plate (202) is fixedly installed on the outside of the standard light source (203). A locking buckle (204) is fixedly disposed on the locking connecting plate (202). The locking buckle (204) is engaged with the locking hook (205). An illuminance meter tester (300) is provided, which is mounted on the tester connecting block (207). A tester fixing hoop (208) is fitted on the tester connecting block (207) and located on the outside of the illuminance meter tester (300). A tester support plate (206) is fixedly mounted on the tester connecting block (207) and located on the lower side of the illuminance meter tester (300).
2. The simplified apparatus for calibrating an illuminometer according to claim 1, characterized in that: The calibration box (100) includes a left side plate (102), a right side plate (103), a front plate (104), and a rear plate (105) connected end to end. An upper plate (106) is provided on the top of the left side plate (102), the right side plate (103), the front plate (104), and the rear plate (105). A bottom plate (101) is provided at the bottom of the left side plate (102), the right side plate (103), the front plate (104), and the rear plate (105). A foot pad (116) is fixedly provided at the bottom of the bottom plate (101). A handle (115) is fixedly provided on the top of the upper plate (106).
3. The simplified apparatus for calibrating an illuminometer according to claim 2, characterized in that: A light-blocking plate (108) is provided on the outer side of the front plate (104), and the operating lever (114) passes through the light-blocking plate (108).
4. The simplified apparatus for calibrating an illuminometer according to claim 2, characterized in that: The bearing B (113) is fixedly mounted on the front plate (104), and the bearing fixing plate (109) is fixedly mounted on the upper plate (106).
5. The simplified apparatus for calibrating an illuminometer according to claim 4, characterized in that: A hinge (107) is provided at the connection between the rear plate (105) and the upper plate (106).
6. The simplified apparatus for calibrating an illuminometer according to claim 2, characterized in that: A hook (111) is fixedly installed on the top of the inner side of the upper plate (106), and a spring (112) is installed on the hook (111).
7. The simplified apparatus for calibrating an illuminometer according to claim 6, characterized in that: A limiting block (117) is fixedly installed on the top of the inner side of the upper plate (106) and near the hook (111).
8. The simplified apparatus for calibrating an illuminometer according to claim 4, characterized in that: The bearing B (113) is connected to the front plate (104), and the bearing fixing plate (109) is connected to the upper plate (106).
9. The simplified apparatus for calibrating an illuminometer according to claim 7, characterized in that: The base plate (101), the left side plate (102), the right side plate (103), the front plate (104), the rear plate (105), the upper plate (106), the bearing fixing plate (109), the limiting block (117), and the locking connecting plate (202) are all made of aluminum.
10. The simplified apparatus for calibrating an illuminometer according to claim 3, characterized in that: The base plate (101), the left side plate (102), the right side plate (103), the front plate (104), the rear plate (105), the upper plate (106), the operating lever (114), the tester support plate (206), and the tester fixing hoop (208) are all made of stainless steel. The tester connection block (207) is made of black POM.